Mat and Pat want to invite their friends to a party.They ask you to write a program that does the following:
Allows Mat to enter a list of his friends’ names.The names are stored in a container and then displayed in sorted order.
Allows Pat to enter a list of her friends’ names.The names are stored in a second container and then displayed in sorted order.
Creates a third container that merges the two lists, eliminates duplicates, and displays the contents of this container.